# Q80407549

> spectroscopic binary in the constellation Cancer

**Wikidata**: [Q80407549](https://www.wikidata.org/wiki/Q80407549)  
**Source**: https://4ort.xyz/entity/q80407549


## References

1. SIMBAD
2. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
3. The Tycho-2 catalogue of the 2.5 million brightest stars
4. Kinematic parameters and membership probabilities of open clusters in the Bordeaux PM2000 catalogue
5. CCD photometry of old open cluster M 67
6. Gaia Data Release 2
7. Spectroscopy of blue stragglers and turnoff stars in M67 (NGC 2682)